CN218165172U - Main brush lifting and speed regulating mechanism of intelligent sweeper - Google Patents
Main brush lifting and speed regulating mechanism of intelligent sweeper Download PDFInfo
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- CN218165172U CN218165172U CN202121818034.3U CN202121818034U CN218165172U CN 218165172 U CN218165172 U CN 218165172U CN 202121818034 U CN202121818034 U CN 202121818034U CN 218165172 U CN218165172 U CN 218165172U
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Abstract
The utility model belongs to the field of floor cleaning machines, and discloses a main brush lifting and speed regulating mechanism of an intelligent sweeper, which comprises a fixed frame and a brush roller; the brush roll is in rotating fit with the fixed frame and is in sliding fit with the fixed frame along the height direction of the fixed frame, a first driving module for driving the brush roll to rotate in a variable speed mode is arranged on the fixed frame, and the fixed frame is further provided with a swinging piece hinged with the fixed frame, an elastic piece capable of stretching up and down and a second driving module located on the upper side of the swinging piece; the second driving module pulls the swinging piece through a flexible traction piece so as to lift the swinging piece; the elastic piece is respectively hinged with the fixed frame and the swinging piece, and the swinging piece is in rotating fit with two ends of the brush roll; this scheme can realize that the brush roll both can be when meetting the foreign matter, passive lifting, also can be before meetting the foreign matter, and initiative lifting avoids producing unnecessary wearing and tearing, prolongs the life of main brush.
Description
Technical Field
The utility model relates to a street sweeper field, especially a main brush lifting and speed adjusting mechanism of intelligence motor sweeper.
Background
The sweeper is a common sweeping robot, a main brush (namely a brush roll) is one of core parts of the sweeping robot, the working efficiency and the quality of the sweeping robot are determined by the performance of the main brush, and the main brush can rotate in equipment and can also lift in the equipment in a reciprocating mode, so that the service life of the equipment and the sweeping quality are improved; in the lifting process of the main brush, two ends of the main brush are always at the same horizontal height, so that the phenomenon that one end is high and the other end is low is avoided, and the shell is prevented from being clamped in equipment.
The lifting structure of the main brush can refer to the technical scheme with the patent application number of 201620967518.7, and discloses a lifting device with a limiting function for a main brush of an electric sweeper, which comprises two sets of main brush descending limiting components and a pulling device, wherein one set of the main brush descending limiting components is arranged on a left side plate of a rack, the other set of the main brush descending limiting components is arranged on a right side plate of the rack, the main brush descending limiting components are arranged in a bilateral symmetry mode, and the pulling device is arranged on one side of the main brush descending limiting components; the main brush descending limiting component consists of a main brush lifting rocker arm, a direction-changing lifting arm, a transverse pull rod, a reset spring and a vertical pull rod, the front ends of the two main brush lifting rocker arms on the left side and the right side are fixedly connected with the same interlocking shaft, the rear ends of the two main brush lifting rocker arms are connected with a main brush shaft inserting shaft sleeve, the main brush shafts at the two ends of the main brush are inserted into the main brush shaft inserting shaft sleeve, and the main brush shafts and the main brush shaft inserting shaft sleeve can synchronously rotate.
According to the scheme, the main brush is rolled above the foreign matters and is in contact with the foreign matters, the main brush jacks up the main brush by the foreign matters, the return spring resets and presses down the main brush after the main brush leaves the foreign matters, and the main brush continues to clean the ground; the lifting of the main brush needs to be in contact with foreign matters, passive lifting is carried out, active lifting cannot be carried out before the main brush reaches the upper part of the foreign matters, unnecessary abrasion is generated on the main brush, and the service life of the main brush is short.
Therefore, the problem of this scheme solution how to realize the brush roll both can be when meetting the foreign matter, passive lifting, also can be before meetting the foreign matter, and the unnecessary wearing and tearing are avoided producing in initiative lifting, prolong the life of main brush.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a main brush lifting and speed adjusting mechanism of intelligence motor sweeper realizes that the brush roll both can be when meetting the foreign matter, passive lifting, also can be before meetting the foreign matter, and the unnecessary wearing and tearing are avoided producing in initiative lifting, the life of extension main brush.
The utility model provides a technical scheme does: a main brush lifting and speed regulating mechanism of an intelligent sweeper comprises a fixed frame and a brush roller; the brush roll is in rotating fit with the fixed frame and is in sliding fit with the fixed frame along the height direction of the fixed frame, a first driving module for driving the brush roll to rotate in a variable speed mode is arranged on the fixed frame, and the fixed frame is further provided with a swinging piece hinged with the fixed frame, an elastic piece capable of stretching up and down and a second driving module located on the upper side of the swinging piece; the second driving module pulls the swinging piece through a flexible traction piece so as to lift the swinging piece; the elastic piece is hinged with the fixing frame and the swinging piece respectively, and the swinging piece is in rotating fit with two ends of the brush roll.
In the main brush lifting and speed regulating mechanism of the intelligent sweeper, the swinging piece comprises a first swinging arm and a second swinging arm which can swing synchronously; the first swing arm and the second swing arm are respectively in rotating fit with two ends of the brush roll and are hinged with the fixed frame; the flexible traction piece is fixedly connected with one end, adjacent to the brush roll, of the first swing arm, and the elastic piece is hinged with the first swing arm.
In the main brush lifting and speed regulating mechanism of the intelligent sweeper, a fixed shaft which is in running fit with the fixed shaft is arranged between the first swing arm and the second swing arm; the first swing arm and the second swing arm are fixedly connected with the fixed shaft, so that the first swing arm and the second swing arm swing synchronously.
In the main brush lifting and speed regulating mechanism of the intelligent sweeper, the first driving module is a speed regulating motor, and the speed regulating motor drives the brush roller to rotate through a driving belt.
In the main brush lifting and speed regulating mechanism of the intelligent sweeper, the swinging piece is provided with an idler wheel which abuts against the transmission belt.
In the main brush lifting and speed regulating mechanism of the intelligent sweeper, the transmission belt is a triangular belt.
In the main brush lifting and speed regulating mechanism of the intelligent sweeper, the swinging piece is provided with an adjusting bolt extending downwards, and the fixed frame is provided with a limiting plate positioned right below the adjusting bolt; the adjusting bolt is in threaded connection with the swinging piece in a height-adjustable manner.
In the main brush lifting and speed regulating mechanism of the intelligent sweeper, a guide wheel for guiding the flexible traction piece to turn is arranged on the fixed frame; the guide wheel is located between the flexible traction member and the oscillating member.
In the main brush lifting and speed regulating mechanism of the intelligent sweeper, the flexible traction piece and the rotating wheel are respectively a chain and a gear, and the traction piece is meshed with the upper side of the gear.
In the main brush lifting and speed regulating mechanism of the intelligent sweeper, the fixing frame is provided with a longitudinally extending sliding groove, and the sliding groove is in running fit with the brush roller.
After the technical scheme is adopted in the utility model, its beneficial effect who has is:
according to the scheme, the brush roll, the flexible traction part and the elastic part are matched with each other, the brush roll is arranged on the swinging part, the swinging part is hinged with the fixing frame, and the swinging part can swing up and down in a reciprocating manner to drive the brush roll to lift up and down; before the roller brush encounters foreign matters, the second driving module drives the flexible traction piece to pull the swinging piece, the pulling force of the flexible traction piece is larger than the acting force of the elastic piece, the elastic piece is compressed, the swinging piece is lifted to drive the roller brush to lift, the active lifting of the roller brush is completed, the second driving module stops pulling the flexible traction piece, the swinging piece recovers to the initial position, and the swinging piece is only subjected to the acting force and the dead weight of the elastic piece, so that the roller brush is continuously attached to the ground for cleaning; when the brush roll is in direct contact with foreign matters, the foreign matters jack up the brush roll, the flexible traction piece deforms and bends, the elastic piece is compressed, the passive lifting of the brush roll is completed, after the brush roll leaves the foreign matters, the elastic piece rebounds and presses the brush roll downwards, the brush roll is continuously attached to the ground to be cleaned, the brush roll can be passively lifted when encountering the foreign matters, and can also be actively lifted before encountering the foreign matters, so that unnecessary abrasion is avoided, and the service life of a main brush is prolonged.
Drawings
Fig. 1 is a schematic structural view of a main brush lifting and speed regulating mechanism of an intelligent sweeper of embodiment 1 of the present invention;
fig. 2 is a partially enlarged view of a of fig. 1 of the present invention;
fig. 3 is a side view of the main brush lifting and speed adjusting mechanism of the intelligent sweeping vehicle of embodiment 1 of the present invention.
Reference numerals: 1. a brush roll; 2. a fixed mount; 3. a second swing arm; 4. a fixed shaft; 5. a first driving module; 6. a second driving module; 7. a first swing arm; 8. an idler pulley; 9. adjusting the bolt; 10. a transmission belt; 11. a limiting plate; 12. an elastic member; 13. a chute; 14. a flexible traction member; 15. and (4) a guide wheel.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the following detailed description, but the present invention is not limited thereto.
Example 1:
as shown in fig. 1-3, a main brush lifting and speed regulating mechanism of an intelligent sweeper comprises a fixed frame 2 and a brush roller 1; the brush roll 1 is in rotating fit with the fixed frame 2 and is in sliding fit with the fixed frame 2 along the height direction of the fixed frame 2, a first driving module 5 for driving the brush roll 1 to rotate in a variable speed mode is arranged on the fixed frame 2, a swinging piece hinged with the fixed frame 2, an elastic piece 12 capable of stretching up and down and a second driving module 6 located on the upper side of the swinging piece are further arranged on the fixed frame 2; the second driving module 6 pulls the swinging member through a flexible traction member 14 to lift the swinging member; the elastic part 12 is respectively hinged with the fixed frame 2 and the swinging part, and the swinging part is in rotating fit with two ends of the brush roll 1.
The operation principle is that the brush roll 1, the flexible traction part 14 and the elastic part 12 are matched with each other, the brush roll 1 is arranged on the swinging part, the swinging part is hinged with the fixed frame 2, and the swinging part can swing up and down in a reciprocating manner to drive the brush roll 1 to lift up and down; before the roller brush encounters foreign matters, the second driving module 6 drives the flexible traction piece 14 to pull the swinging piece, the pulling force of the flexible traction piece 14 is larger than the acting force of the elastic piece 12, the elastic piece 12 is compressed, the swinging piece is lifted, the roller brush 1 is driven to lift, the active lifting of the roller brush 1 is completed, the second driving module 6 stops pulling the flexible traction piece 14, the swinging piece recovers to the initial position, and the swinging piece is only subjected to the acting force and the dead weight of the elastic piece 12, so that the roller brush 1 is continuously attached to the ground for cleaning; when brush roll 1 and foreign matter direct contact, foreign matter jack-up brush roll 1, flexible traction element deformation is crooked, elastic component 12 is compressed, accomplish the passive lifting of brush roll 1, after brush roll 1 leaves the foreign matter, elastic component 12 rebounds and pushes down brush roll 1, brush roll 1 continues laminating ground and washs, it both can be when meetting the foreign matter to realize brush roll 1, passive lifting, also can be in the initiative lifting before meetting the foreign matter, avoid producing unnecessary wearing and tearing, the life of extension main brush.
The elastic member 12 is preferably a nitrogen spring, and may be replaced by a metal elastic block, a spring, a cylinder, etc., which is not limited in this embodiment.
The specific structure of the swinging piece is that the swinging piece comprises a first swinging arm 7 and a second swinging arm 3 which can swing synchronously; the first swing arm 7 and the second swing arm 3 are respectively in rotating fit with two ends of the brush roll 1 and are hinged with the fixed frame 2; the flexible traction member 14 is fixedly connected with one end of the first swing arm 7 adjacent to the brush roller 1, and the elastic member 12 is hinged with the first swing arm 7.
Because the brush roll 1 has a certain axial length, the brush roll 1 is lifted, two ends of the brush roll 1 need to be lifted synchronously to keep balance, the flexible traction piece 14 pulls the first swing arm 7, and the first swing arm 7 and the second swing arm 3 swing synchronously to drive two ends of the brush roll 1 to lift synchronously, so that the brush roll 1 is prevented from being clamped in equipment and can be lifted and lowered smoothly.
The first swing arm 7 and the second swing arm 3 synchronously swing in a mode that a fixed shaft 4 which is in running fit with the fixed shaft 4 is arranged between the first swing arm 7 and the second swing arm 3; the first swing arm 7 and the second swing arm 3 are both fixedly connected with the fixed shaft 4, so that the first swing arm 7 and the second swing arm 3 swing synchronously.
The first swing arm 7 and the second swing arm 3 can synchronously swing by adopting a link mechanism, a belt transmission and other modes, and the embodiment does not limit the synchronous swing.
The first driving module 5 is specifically a speed regulating motor, and the speed regulating motor drives the brush roll 1 to rotate through a driving belt 10; in the embodiment, the brush roller 1 is driven in a belt transmission mode, the brush roller 1 is lifted or descended to be attached to the transmission belt 10, and the rotation of the brush roller 1 is not influenced by the swing motion.
The speed regulating motor is preferably a stepping motor, and can be replaced by a servo motor, a variable speed motor and the like, and the embodiment does not limit the speed regulating motor too much.
Preferably, the swinging piece is provided with an idler wheel 8 which is tightly propped against the transmission belt 10; the swinging piece swings up and down to drive one end of the brush roll 1, the idler wheel 8 and the transmission belt 10 to swing synchronously, the idler wheel 8 and the transmission belt 10 are in a relative static state, the idler wheel 8 abuts against the transmission belt 10 tightly, the transmission belt 10 is prevented from slipping, and the transmission efficiency of the transmission belt 10 is improved.
The specific type of the transmission belt 10 is that the transmission belt 10 is a triangular belt; the transmission is stable, the noise is low, and the buffer and vibration absorption are realized.
In a further improvement, the swinging piece is provided with an adjusting bolt 9 extending downwards, and the fixed frame 2 is provided with a limiting plate 11 positioned right below the adjusting bolt 9; the adjusting screw 9 is screwed to the pendulum in a height-adjustable manner.
Adjusting bolt 9 and limiting plate 11 mutually support, twist adjusting bolt 9 on the swing, adjusting bolt 9 goes up and down along with rotating, and the distance between the lower extreme of adjusting bolt 9 and the bottom of swing span changes promptly, and adjusting bolt 9's lower extreme laminating limiting plate 11 makes the distance between the bottom of swing span and limiting plate 11 be adjustable distance, realizes adjusting the extreme low level that the swing descends.
In practical application, the fixed frame 2 is provided with a guide wheel 15 for guiding the flexible traction piece 14 to rotate; the guide wheel 15 is located between the flexible traction element 14 and the oscillating element.
The purpose of the guide wheel 15 is to improve the space utilization, so that the second driving module 6 can be placed at any angle without affecting the traction effect of the flexible traction member 14, and the guide wheel 15 shares a part of the traction force, thereby reducing the performance requirement of the second driving module 6.
The second driving module 6 is specifically an electric push rod, and can be replaced by a screw rod mechanism, a telescopic cylinder and the like, which is not limited too much in this embodiment.
The flexible traction element 14 and the guide wheel 15 are embodied in such a way that the flexible traction element 14 and the rotating wheel are respectively a chain and a gear, and the traction element is meshed with the upper side of the gear.
The chain and the gear can be replaced by a rope and a hanging wheel, and the embodiment does not limit the invention to the above
In specific implementation, the fixing frame 2 is provided with a sliding groove 13 extending longitudinally, and the sliding groove 13 is in rotating fit with the brush roll 1.
In addition, the brush roll 1 is lifted by the electric push rod matched with the chain, so that the brush roll 1 can be lifted elastically after contacting the ground, and the brush roll 1 can be lifted elastically when large-volume hard garbage is encountered, thereby avoiding damage to a main brush; the electric push rod is matched with a vision and navigation system of the whole machine to realize intelligent lifting of the brush roll 1, and when the vision system detects a speed bump and a step, the brush roll 1 is lifted properly to avoid abrasion of the brush roll 1; meanwhile, the compression amount of the elastic part 12 required by the contact of the brush roll 1 and the ground can be properly adjusted according to the condition of the road surface and the quantity of garbage, so that the abrasion effect of the main brush is reduced as much as possible under the condition that the brush roll 1 cleans.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. A main brush lifting and speed regulating mechanism of an intelligent sweeper comprises a fixed frame and a brush roller; the brush roll is in rotating fit with the fixed frame and is in sliding fit with the fixed frame along the height direction of the fixed frame, and the fixed frame is provided with a first driving module for driving the brush roll to rotate in a variable speed manner; the second driving module pulls the swinging piece through a flexible traction piece so as to lift the swinging piece; the elastic piece is respectively hinged with the fixed frame and the swinging piece, and the swinging piece is in rotating fit with two ends of the brush roll.
2. The main brush lifting and speed regulating mechanism of the intelligent sweeper according to claim 1, wherein the swinging member comprises a first swinging arm and a second swinging arm which can swing synchronously; the first swing arm and the second swing arm are respectively in rotating fit with two ends of the brush roll and are hinged with the fixed frame; the flexible traction piece is fixedly connected with one end, adjacent to the brush roll, of the first swing arm, and the elastic piece is hinged with the first swing arm.
3. The main brush lifting and speed regulating mechanism of the intelligent sweeper according to claim 2, wherein a fixed shaft in rotating fit with the fixed shaft is arranged between the first swing arm and the second swing arm; the first swing arm and the second swing arm are both fixedly connected with the fixed shaft, so that the first swing arm and the second swing arm swing synchronously.
4. The main brush lifting and speed regulating mechanism of the intelligent sweeper of claim 1, wherein the first driving module is a speed regulating motor, and the speed regulating motor drives the brush roller to rotate through a driving belt.
5. The main brush lifting and speed regulating mechanism of the intelligent sweeper according to claim 4, wherein the swinging member is provided with an idler wheel abutting against the transmission belt.
6. The main brush lifting and speed adjusting mechanism of the intelligent sweeper according to claim 4, wherein the transmission belt is a V-belt.
7. The main brush lifting and speed regulating mechanism of the intelligent sweeper according to claim 1, wherein the swinging member is provided with an adjusting bolt extending downwards, and the fixed frame is provided with a limiting plate positioned right below the adjusting bolt; the adjusting screw is connected with the swinging piece in a height-adjustable mode through threads.
8. The main brush lifting and speed regulating mechanism of the intelligent sweeper according to claim 1, wherein a guide wheel for guiding the flexible traction member to turn is arranged on the fixing frame; the guide wheel is located between the flexible traction member and the oscillating member.
9. The main brush lifting and speed regulating mechanism of the intelligent sweeper according to claim 8, wherein the flexible traction member and the rotating wheel are respectively a chain and a gear, and the traction member is meshed with the upper side of the gear.
10. The main brush lifting and speed regulating mechanism of the intelligent sweeper according to any one of claims 1-9, wherein the fixing frame is provided with a longitudinally extending sliding groove, and the sliding groove is in rotating fit with the brush roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121818034.3U CN218165172U (en) | 2021-08-05 | 2021-08-05 | Main brush lifting and speed regulating mechanism of intelligent sweeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121818034.3U CN218165172U (en) | 2021-08-05 | 2021-08-05 | Main brush lifting and speed regulating mechanism of intelligent sweeper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218165172U true CN218165172U (en) | 2022-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121818034.3U Active CN218165172U (en) | 2021-08-05 | 2021-08-05 | Main brush lifting and speed regulating mechanism of intelligent sweeper |
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| CN (1) | CN218165172U (en) |
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2021
- 2021-08-05 CN CN202121818034.3U patent/CN218165172U/en active Active
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